Home / 92,383.90-138,229.17-54,806.38

Finding the Fourth Proportional to 92,383.90, 138,229.17 and 54,806.38

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Solution

The fourth proportional to 92,383.90, 138,229.17 and 54,806.38 is: 82,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,383.90 : 138,229.17 = 54,806.38 : x
  2. Step 2: Convert to fraction form
    92,383.90/138,229.17 = 54,806.38/x
  3. Step 3: Cross multiply
    92,383.90x = 138,229.17 × 54,806.38
  4. Step 4: Simplify right side
    92,383.90x = 7,575,840,418.10
  5. Step 5: Solve for x
    x = 7,575,840,418.10/92,383.90
  6. Step 6: Final answer
    x = 82,003.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.